This is the American Pneumatic Tool exhaust muffler assy part number 1280583388 the number that superseded 18099, Crowder SKU APT18099. It handles exhaust from the breaker, cutting noise at the operator’s ear. A packed or damaged element raises back pressure and quietly costs performance.
It is called out in the parts diagram for the 140 Paving Breaker and 140A Airgo Paving Breaker. The tool itself is the APT 140 Pneumatic Paving Breaker. Compare it to the reference callout on the diagram to be sure it is the position you need.
Work through the rest of the assembly on the same breakdown, or start over from the full diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280583388
- Previous part number: 18099
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18099
- Listed on breakdowns for: 140 Paving Breaker, 140A Airgo Paving Breaker
